CN215909921U

CN215909921U - Thermal gas mass flow meter convenient to install and connect

Info

Publication number: CN215909921U
Application number: CN202122534153.2U
Authority: CN
Inventors: 于清波
Original assignee: Shandong Haindi Intelligent Technology Co ltd
Current assignee: Shandong Haindi Intelligent Technology Co ltd
Priority date: 2021-10-21
Filing date: 2021-10-21
Publication date: 2022-02-25
Anticipated expiration: 2031-10-21

Abstract

The utility model discloses a thermal gas mass flowmeter convenient to mount and connect, wherein the lower end of a main body of the thermal gas mass flowmeter is fixedly provided with a transverse pipe, the outer side end of the transverse pipe is provided with a pipeline connecting structure, the outer side end of the pipeline connecting structure is fixedly provided with a pipeline, the pipeline connecting structure comprises a connecting fixing piece arranged between the inner part of the transverse pipe and the lower end of the main body of the thermal gas mass flowmeter, a thread sealing connecting structure is arranged between the inner side end of the pipeline and the end part of the transverse pipe, and an annular elastic piece is clamped between the thread sealing connecting structure and the connecting fixing piece at the same side; adopt pipeline connection structure to connect fixedly to pipeline and violently pipe, the connected mode mainly adopts threaded connection to it is fixed to carry out the joint to hot type gas mass flow meter main part lower extreme through the extrusion connection mounting, conveniently dismantles and installs when guaranteeing fixed strength, and can reduce the use restriction in convenient completion installation and the dismantlement in narrow and small region.

Description

Thermal gas mass flow meter convenient to install and connect

Technical Field

The utility model relates to the technical field of thermal gas mass flowmeters, in particular to a thermal gas mass flowmeter convenient to mount and connect.

Background

Thermal gas mass flowmeters are instruments that measure the flow of gas using the principle of thermal diffusion. The sensor consists of two reference level thermal resistors. One is a velocity sensor RH and one is a temperature sensor RMG which measures the change in gas temperature. The thermal gas mass flowmeter is widely applied in various industries, and the principle is based on the thermal diffusion principle, namely, when fluid flows through a heating object, the heat loss of the heating object is in a certain proportional relation with the flow of the fluid.

The existing installation mode of the hot gas mass flow meter is mostly a bolt fastening mode, the installation mode is complex, installation is inconvenient in a narrow and small area, the use of the hot gas mass flow meter is limited, the installation and the use of the hot gas mass flow meter are seriously affected, and in order to solve the problems, the hot gas mass flow meter convenient to install and connect is provided.

SUMMERY OF THE UTILITY MODEL

The object of the present invention is to provide a thermal gas mass flowmeter which is easy to install and connect, so as to solve the problems mentioned in the background art.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a hot type gas mass flow meter convenient to installation and connection, includes the hot type gas mass flow meter main part, the fixed violently pipe that is equipped with of hot type gas mass flow meter main part lower extreme, and hot type gas mass flow meter main part lower extreme extends to in the violently pipe, violently manage outside end and be equipped with pipeline connection structure, pipeline connection structure's outside end is fixed to be equipped with the pipeline, pipeline connection structure is including locating the connection mounting between violently managing inside and the hot type gas mass flow meter main part lower extreme, pipeline medial extremity and violently manage and be equipped with screw thread sealing connection structure between the tip, screw thread sealing connection structure and homonymy cyclic annular elastic component is held to the clamp between the connection mounting.

Preferably, the connecting and fixing part comprises round pipes inserted in the left side and the right side of the transverse pipe, clamping grooves are formed in the left side and the right side of the lower end of the thermal type gas mass flow meter main body, clamping blocks are fixedly assembled at the upper ends of the inner side surfaces of the round pipes, and the clamping blocks are inserted in the clamping grooves at the same side.

Preferably, the thread sealing connection structure comprises an external thread pipe integrally formed at the edge of the inner side of the end face of the inner side of the pipeline, an internal thread is formed at the edge of the outer side of the inner wall of the transverse pipe, the external thread pipe is screwed on the internal thread, the end of the inner side of the external thread pipe abuts against the annular elastic piece, and a sealing structure is assembled between the edge of the outer side of the end face of the inner side of the pipeline and the edge of the outer side of the outer wall of the transverse pipe.

Preferably, the sealing structure comprises a connecting pipe integrally formed on the outer edge of the end face of the inner side of the pipeline, rubber rings are uniformly adhered and fixed on the outer edge of the outer wall of the transverse pipe, an annular groove is formed in the inner wall of the connecting pipe corresponding to the rubber rings, and the outer annular surface of each rubber ring is inserted into the annular groove.

Preferably, the annular elastic part comprises a ring body, the ring body is abutted against the inner side end of the threaded closed connection structure, the outer wall of the ring body is uniformly and fixedly provided with an arc-shaped elastic sheet, the tail end of the arc-shaped elastic sheet is located on the right side of the ring body, and the tail end of the arc-shaped elastic sheet is abutted against the outer side end of the connection fixing part.

Compared with the prior art, the utility model has the beneficial effects that:

(1) the scheme adopts the pipeline connection structure to connect fixedly pipeline and violently pipe, and the connected mode mainly adopts threaded connection to it is fixed to carry out the joint to hot type gas mass flow meter main part lower extreme through the extrusion connection mounting, conveniently dismantles and installs when guaranteeing fixed strength, and can reduce the use restriction in convenient completion installation and the dismantlement in narrow and small region.

(2) The scheme adopts cyclic annular elastic component to set up between screw thread sealing connection structure and connection mounting, utilizes self elasticity extrusion to connect the mounting to effectively cushion when receiving vibrations, avoid screw thread sealing connection structure and the wearing and tearing that the rigid contact of connection mounting brought.

(3) The scheme adopts airtight structure to carry out airtight protection to pipeline and violently union coupling department lateral wall, improves the seal of pipeline junction.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the structure of the pipe connection structure of the present invention;

FIG. 3 is an enlarged view of the structure at A in FIG. 2 according to the present invention;

FIG. 4 is a schematic structural view of the annular elastic member of the present invention.

In the figure: 1. a thermal gas mass flowmeter body; 2. a transverse tube; 3. a pipe connection structure; 31. connecting a fixing piece; 311. a card slot; 312. a circular tube; 313. a clamping block; 32. a thread sealing connection structure; 321. an internal thread; 322. an externally threaded tube; 323. a closed structure; 3231. a connecting pipe; 3232. a rubber ring; 3233. an annular groove; 33. an annular elastic member; 331. a ring body; 332. an arc-shaped elastic sheet; 4. a pipeline.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a hot type gas mass flow meter convenient to installation and connection, including hot type gas mass flow meter main part 1, 1 lower extreme of hot type gas mass flow meter main part is fixed to be equipped with violently pipe 2, and 1 lower extreme of hot type gas mass flow meter main part extends to violently in pipe 2, violently 2 outside ends of pipe are equipped with pipeline connection structure 3, pipeline connection structure 3's the fixed pipeline 4 that is equipped with in outside end, pipeline connection structure 3 is including locating the connection mounting 31 between 2 inside and the 1 lower extreme of hot type gas mass flow meter main part, be equipped with screw thread airtight connection structure 32 between 4 medial extremity of pipeline and the violently 2 tip of pipe, the centre gripping has annular elastic component 33 between screw thread airtight connection structure 32 and the homonymy connection mounting 31.

Adopt pipeline connection structure 3 to connect fixedly pipeline 4 and violently pipe 2, the connected mode mainly adopts threaded connection to it is fixed to carry out the joint to 1 lower extreme of hot type gas mass flow meter main part through extrusion connection mounting 31, conveniently dismantlement and installation when guaranteeing fixed strength, and can reduce the use restriction in convenient completion installation and dismantlement in narrow and small region.

Specifically, the connecting and fixing member 31 includes circular tubes 312 inserted into the left and right sides of the horizontal tube 2, clamping grooves 311 are formed in the left and right sides of the lower end of the thermal gas mass flowmeter body 1, clamping blocks 313 are fixedly assembled on the upper ends of the inner side surfaces of the circular tubes 312, and the clamping blocks 313 are inserted into the clamping grooves 311 on the same side.

As shown in fig. 1, the left and right side walls of the lower end of the thermal gas mass flow meter main body 1 are integrally formed with the ear plates, the bottom surfaces of the ear plates are attached to the transverse pipe 2 to support the lower end of the thermal gas mass flow meter main body, the clamping blocks 313 at the ends of the circular extrusion piece pipes 312 of the screw thread airtight connection structure 32 extrude and clamp the lower end of the thermal gas mass flow meter main body 1 in the clamping grooves 311, the clamping and fixing of the left and right sides of the lower end of the thermal gas mass flow meter main body 1 are realized, and the thermal gas mass flow meter main body 1 is fixedly connected with the transverse pipe 2.

Specifically, the threaded sealing connection structure 32 comprises an external threaded pipe 322 integrally formed on the inner side edge of the inner side end face of the pipeline 4, an internal thread 321 is formed on the outer side edge of the inner wall of the transverse pipe 2, the external threaded pipe 322 is screwed on the internal thread 321, the inner side end of the external threaded pipe 322 abuts against the annular elastic member 33, and a sealing structure 323 is assembled between the outer side edge of the inner side end face of the pipeline 4 and the outer side edge of the outer wall of the transverse pipe 2; through the cooperation of external screw thread pipe 322 and internal thread 321 use, realize threaded connection, only need during the connection rotate pipeline 4 can, do not receive narrow and small topography restriction.

Specifically, the sealing structure 323 comprises a connecting pipe 3231 integrally formed on the outer side edge of the end face of the inner side of the pipeline 4, a rubber ring 3232 is uniformly adhered and fixed on the outer side edge of the outer wall of the transverse pipe 2, an annular groove 3233 is formed in the inner wall of the connecting pipe 3231 corresponding to the rubber ring 3232, and the outer annular surface of the rubber ring 3232 is inserted into the annular groove 3233; through the cooperation of annular groove 3233 and the matching rubber circle 3232, utilize the elasticity of rubber circle 3232 to carry out airtight sheltering, improve the leakproofness of pipeline 4 junction.

Specifically, the annular elastic element 33 includes a ring body 331, the ring body 331 abuts against the inner end of the thread sealing connection structure 32, the outer wall of the ring body 331 is uniformly and fixedly assembled with an arc-shaped elastic sheet 332, the tail end of the arc-shaped elastic sheet 332 is located on the right side of the ring body 331, and the tail end of the arc-shaped elastic sheet 332 abuts against the outer end of the connection fixing member 31; the annular elastic part 33 is arranged between the thread sealing connection structure 32 and the connection fixing part 31, the connection fixing part 31 is extruded by the elasticity of the annular elastic part, and the annular elastic part can effectively buffer when being vibrated, so that the abrasion caused by the hard contact of the thread sealing connection structure 32 and the connection fixing part 31 is avoided.

The working principle is as follows: the pipeline connecting structure 3 is adopted to connect and fix the pipeline 4 and the transverse pipe 2, the connecting mode mainly adopts threaded connection, and the lower end of the thermal gas mass flowmeter main body 1 is clamped and fixed through the extrusion connecting fixing piece 31, so that the disassembly and the assembly are convenient while the fixing strength is ensured, the assembly and the disassembly can be conveniently completed in a narrow area, and the use limit is reduced; the annular elastic part 33 is arranged between the thread sealing connection structure 32 and the connection fixing part 31, the connection fixing part 31 is extruded by the elasticity of the annular elastic part, and the annular elastic part can effectively buffer when being vibrated, so that the abrasion caused by the hard contact of the thread sealing connection structure 32 and the connection fixing part 31 is avoided.

In the description of the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The standard parts used in the utility model can be purchased from the market, the special-shaped parts can be customized according to the description of the specification and the accompanying drawings, the specific connection mode of each part adopts conventional means such as mature bolts, rivets, welding and the like in the prior art, the machines, the parts and equipment adopt conventional models in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, so that the detailed description is omitted.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a gaseous mass flow meter of hot type convenient to installation and connection, includes gaseous mass flow meter main part of hot type (1), its characterized in that: the utility model discloses a gas mass flow meter, including hot type gas mass flow meter main part (1), pipeline connection structure (3), pipeline (4) and horizontal pipe (2), hot type gas mass flow meter main part (1) lower extreme fixed be equipped with violently pipe (2), horizontal pipe (2) outside end is equipped with pipeline connection structure (3), the outside end fixed be equipped with pipeline (4) of pipeline connection structure (3), pipeline connection structure (3) are including locating connecting fixed part (31) between violently pipe (2) inside and hot type gas mass flow meter main part (1) lower extreme, be equipped with screw thread sealing connection structure (32) between pipeline (4) medial extremity and the horizontal pipe (2) tip, screw thread sealing connection structure (32) and homonymy cyclic annular elastic component (33) are held to the clamp between connecting fixed part (31).

2. A thermal gas mass flow meter for ease of installation and connection according to claim 1, further characterized by: the connecting and fixing piece (31) comprises round pipes (312) inserted into the left side and the right side of the transverse pipe (2), clamping grooves (311) are formed in the left side and the right side of the lower end of the hot gas mass flow meter main body (1), clamping blocks (313) are fixedly assembled at the upper ends of the inner side faces of the round pipes (312), and the clamping blocks (313) are inserted into the clamping grooves (311) on the same side.

3. A thermal gas mass flow meter for ease of installation and connection according to claim 1, further characterized by: the thread sealing connection structure (32) comprises an external thread pipe (322) which is integrally formed at the edge of the inner side of the end face of the inner side of the pipeline (4), an internal thread (321) is formed at the edge of the outer side of the inner wall of the transverse pipe (2), the external thread pipe (322) is screwed on the internal thread (321), the end of the inner side of the external thread pipe (322) abuts against the annular elastic piece (33), and a sealing structure (323) is assembled between the edge of the outer side of the end face of the inner side of the pipeline (4) and the edge of the outer wall of the transverse pipe (2).

4. A thermal gas mass flow meter for ease of installation and connection according to claim 3, characterized by: the sealing structure (323) comprises a connecting pipe (3231) integrally formed on the outer side edge of the inner side end face of the pipeline (4), rubber rings (3232) are uniformly adhered and fixed on the outer side edge of the outer wall of the transverse pipe (2), an annular groove (3233) is formed in the inner wall of the connecting pipe (3231) corresponding to the rubber rings (3232), and the outer annular surface of each rubber ring (3232) is inserted into the annular groove (3233).

5. A thermal gas mass flow meter for ease of installation and connection according to claim 1, further characterized by: annular elastic component (33) are including ring body (331), and ring body (331) support and lean on in screw thread sealing connection structure (32) medial extremity, ring body (331) outer wall evenly fixed is equipped with arc shell fragment (332), and arc shell fragment (332) end is located ring body (331) right side, arc shell fragment (332) end supports and leans on connecting mounting (31) outside end.